Table 8 Characteristics of articles associated with the food labelling domain (n = 15)

Jurisdiction level

National

15

100

[78,79,80,81,82, 85, 88, 89, 93, 258,259,260,261,262,263]

Setting

Grocery stores (prepackaged foods)

15

100

[78,79,80,81,82, 85, 88, 89, 93, 258,259,260,261,262,263]

Methods

Data collection methods

In-store

15

100

[78,79,80,81,82, 85, 88, 89, 93, 258,259,260,261,262,263]

System used to classify food labels/claims

Canadian regulations

5

33

[79, 81, 258, 261, 263]

INFORMAS taxonomy^a

1

7

[262]

Institute of Medicine definition of FOPL^b

2

13

[260, 263]

Developed by the research team (for unregulated symbols)

2

13

[79, 261]

Not mentioned/Not applicable

8

53

[78, 80, 82, 85, 88, 89, 93, 259]

Outcomes

Types of claims or symbols

14

93

[78,79,80,81,82, 85, 89, 93, 258,259,260,261,262,263]

Types of foods with claims

12

80

[78, 79, 81, 82, 85, 93, 258,259,260,261,262,263]

Quality (‘healthiness’) of foods with claims

6

40

[78, 79, 85, 258, 259, 262]

Nutrient content of foods with claims

2

13

[258, 260]

Other (e.g., food package size)

2

13

[80, 88]